111 lines
3.1 KiB
Python
Executable File
111 lines
3.1 KiB
Python
Executable File
#! /usr/bin/env python
|
|
|
|
# Watch line printer queue(s).
|
|
# Intended for BSD 4.3 lpq.
|
|
|
|
import posix
|
|
import sys
|
|
import time
|
|
import string
|
|
|
|
DEF_PRINTER = 'psc'
|
|
DEF_DELAY = 10
|
|
|
|
def main():
|
|
delay = DEF_DELAY # XXX Use getopt() later
|
|
try:
|
|
thisuser = posix.environ['LOGNAME']
|
|
except:
|
|
thisuser = posix.environ['USER']
|
|
printers = sys.argv[1:]
|
|
if printers:
|
|
# Strip '-P' from printer names just in case
|
|
# the user specified it...
|
|
for i in range(len(printers)):
|
|
if printers[i][:2] == '-P':
|
|
printers[i] = printers[i][2:]
|
|
else:
|
|
if posix.environ.has_key('PRINTER'):
|
|
printers = [posix.environ['PRINTER']]
|
|
else:
|
|
printers = [DEF_PRINTER]
|
|
#
|
|
clearhome = posix.popen('clear', 'r').read()
|
|
#
|
|
while 1:
|
|
text = clearhome
|
|
for name in printers:
|
|
text = text + makestatus(name, thisuser) + '\n'
|
|
print text
|
|
time.sleep(delay)
|
|
|
|
def makestatus(name, thisuser):
|
|
pipe = posix.popen('lpq -P' + name + ' 2>&1', 'r')
|
|
lines = []
|
|
users = {}
|
|
aheadbytes = 0
|
|
aheadjobs = 0
|
|
userseen = 0
|
|
totalbytes = 0
|
|
totaljobs = 0
|
|
while 1:
|
|
line = pipe.readline()
|
|
if not line: break
|
|
fields = string.split(line)
|
|
n = len(fields)
|
|
if len(fields) >= 6 and fields[n-1] == 'bytes':
|
|
rank = fields[0]
|
|
user = fields[1]
|
|
job = fields[2]
|
|
files = fields[3:-2]
|
|
bytes = eval(fields[n-2])
|
|
if user == thisuser:
|
|
userseen = 1
|
|
elif not userseen:
|
|
aheadbytes = aheadbytes + bytes
|
|
aheadjobs = aheadjobs + 1
|
|
totalbytes = totalbytes + bytes
|
|
totaljobs = totaljobs + 1
|
|
if users.has_key(user):
|
|
ujobs, ubytes = users[user]
|
|
else:
|
|
ujobs, ubytes = 0, 0
|
|
ujobs = ujobs + 1
|
|
ubytes = ubytes + bytes
|
|
users[user] = ujobs, ubytes
|
|
else:
|
|
if fields and fields[0] <> 'Rank':
|
|
line = string.strip(line)
|
|
if line == 'no entries':
|
|
line = name + ': idle'
|
|
elif line[-22:] == ' is ready and printing':
|
|
line = name
|
|
lines.append(line)
|
|
#
|
|
if totaljobs:
|
|
line = '%d K' % ((totalbytes+1023)//1024)
|
|
if totaljobs <> len(users):
|
|
line = line + ' (%d jobs)' % totaljobs
|
|
if len(users) == 1:
|
|
line = line + ' for %s' % (users.keys()[0],)
|
|
else:
|
|
line = line + ' for %d users' % len(users)
|
|
if userseen:
|
|
if aheadjobs == 0:
|
|
line = line + ' (%s first)' % thisuser
|
|
else:
|
|
line = line + ' (%d K before %s)' % (
|
|
(aheadbytes+1023)//1024, thisuser)
|
|
lines.append(line)
|
|
#
|
|
sts = pipe.close()
|
|
if sts:
|
|
lines.append('lpq exit status %r' % (sts,))
|
|
return string.joinfields(lines, ': ')
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
main()
|
|
except KeyboardInterrupt:
|
|
pass
|